Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Quais temporadas regulares ocorreram em 2011?
 ###Tabelas: CREATE TABLE one-day_international_cricket_–_man_of_the_match_awards (one-day_international_cricket_–_man_of_the_match_awards_id AUTO_INCREMENT PRIMARY KEY, Runs VARCHAR, Against VARCHAR, City/Country VARCHAR, Venue VARCHAR, Result VARCHAR, Year VARCHAR) CREATE TABLE singles_finals_10_7–3 (singles_finals_10_7–3_id AUTO_INCREMENT PRIMARY KEY, Outcome VARCHAR, Date VARCHAR, Location VARCHAR, Surface VARCHAR, Opponent in final VARCHAR, Score VARCHAR) CREATE TABLE cryengine (cryengine_id AUTO_INCREMENT PRIMARY KEY, Title VARCHAR, Year VARCHAR, Developer VARCHAR, Publisher VARCHAR, Platform VARCHAR) CREATE TABLE alumni (alumni_id AUTO_INCREMENT PRIMARY KEY, Name VARCHAR, Nationality VARCHAR, Position VARCHAR, Year of birth INT, Career VARCHAR, Appearances INT, Goals INT, Club VARCHAR) CREATE TABLE year-by-year (year-by-year_id AUTO_INCREMENT PRIMARY KEY, Year INT, Division INT, League VARCHAR, Regular Season VARCHAR, Playoffs VARCHAR, Open Cup VARCHAR)  
SELECT Regular Season FROM year-by-year WHERE Year = 2011